History -- Foreign relations -- 2 Biological warfare -- 1 Censorship -- 1 Freedom of the press -- 1 History 1 Military relations -- 1 more ... National security -- 1 Politics and government -- 1 Postwar reconstruction -- 1 Restoration,1853-1870 1 Sino-Japanese Conflict, 1937-1945 -- 1 Tokyo Trial, Tokyo, Japan, 1946-1948 1 less ...